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Generalized hybrid modeling to estimate chemical shrinkage and modulus evolution at arbitrary temperatures

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2 Author(s)
Yong Wang ; Dept. of Mech. Eng., Univ. of Maryland, College Park, MD, USA ; Han, B.

A generalized hybrid modeling is proposed to estimate the chemical shrinkage and modulus evolutions at arbitrary temperatures. Using the existing curing kinetics modeling, a theoretical formulation is developed to provide a mathematical relationship between the evolution properties at arbitrary temperatures and those obtained at a reference temperature. The evolution properties at the reference temperature are obtained first by the fiber Bragg grating (FBG) sensor method. The activation energy is determined from the supplementary curing extent data obtained at various temperatures using the differential scanning calorimeter (DSC). The shift factor is then calculated from the activation energy, and the evolution properties at a temperature range of interest are estimated from the reference properties.

Published in:

Electronic Components and Technology Conference (ECTC), 2010 Proceedings 60th

Date of Conference:

1-4 June 2010